|
HS Code |
253407 |
| Product Name | Monosodium Phosphate Anhydrous |
| Chemical Formula | NaH2PO4 |
| Molar Mass | 119.98 g/mol |
| Appearance | White crystalline powder |
| Solubility In Water | Very soluble |
| Melting Point | Around 60 °C (decomposes) |
| Cas Number | 7558-80-7 |
| Ph Of 1 Solution | Approximately 4.5 |
| Density | 2.36 g/cm³ |
| Odor | Odorless |
| Stability | Stable under normal conditions |
| Storage Conditions | Store in a cool, dry place |
| Synonyms | Sodium dihydrogen phosphate |
As an accredited Monosodium Phosphate Anhydrous factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Monosodium Phosphate Anhydrous is packaged in a 25 kg white, sealed, polyethylene bag with clear labeling and safety instructions. |
| Container Loading (20′ FCL) | Monosodium Phosphate Anhydrous is typically loaded in 20′ FCL with 25 kg bags, totaling approximately 25 metric tons per container. |
| Shipping | Monosodium Phosphate Anhydrous should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Store and transport in a cool, dry, and well-ventilated area, following all applicable regulations. Ensure packaging is labeled correctly, and handle with appropriate personal protective equipment to prevent accidental contact or inhalation. |
| Storage | Monosodium Phosphate Anhydrous should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep it away from moisture, heat sources, and incompatible materials such as strong acids. Avoid exposure to direct sunlight. Proper labeling and spill containment measures should be in place to prevent contamination or accidental mixing with reactive substances. |
| Shelf Life | The shelf life of Monosodium Phosphate Anhydrous is typically **2 to 3 years** when stored in a cool, dry, and sealed container. |
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Purity 98%: Monosodium Phosphate Anhydrous with 98% purity is used in food processing, where it ensures precise pH regulation for optimized texture and shelf life. Particle Size <100 µm: Monosodium Phosphate Anhydrous with particle size less than 100 micrometers is used in pharmaceutical tablet formulations, where it allows for uniform mixing and improved tablet stability. Stability Temperature 200°C: Monosodium Phosphate Anhydrous with stability temperature of 200°C is utilized in industrial catalysts, where it maintains chemical stability under elevated processing conditions. Solubility 90 g/L: Monosodium Phosphate Anhydrous with solubility of 90 g/L is applied in water treatment, where it enables efficient water softening and minimizes scaling in pipelines. pH 4.5 (1% solution): Monosodium Phosphate Anhydrous at pH 4.5 in a 1% solution is used in laboratory buffer preparations, where it offers reliable buffering capacity for sensitive biochemical assays. Moisture Content <0.5%: Monosodium Phosphate Anhydrous with moisture content below 0.5% is employed in powder blends for detergents, where it prevents clumping and enhances product shelf stability. Melting Point 150°C: Monosodium Phosphate Anhydrous with melting point of 150°C is used in fire-retardant coatings, where it contributes to thermal resistance and prolongs material integrity during fire exposure. Na+ Content 18%: Monosodium Phosphate Anhydrous containing 18% sodium ions is utilized in electrolyte solutions for analytical chemistry, where it ensures consistent ionic strength for accurate measurements. |
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From raw material sourcing through refining and drying, we have watched the role of Monosodium Phosphate Anhydrous (MSP Anhydrous) evolve for decades. Chemists and production managers keep approaching us not because they are new to phosphates, but because turning to the anhydrous grade usually marks a deliberate choice: better control over water content, improved stability in final products, and fewer process headaches downstream.
Our Monosodium Phosphate Anhydrous carries the chemical formula NaH₂PO₄, with a dry, free-flowing crystalline or powdered composition. The moisture content in this material typically sits below 1%. That detail makes a measurable difference in applications where even minimal free water disrupts reactions or alters flow properties—situations that surface again and again in industries like detergents, water treatment, and specialty formulations.
From the operator’s view on the plant floor, the biggest hurdle during production involves keeping the product bone dry from start to finish. Drying stages run hot and long, and every operator understands that even minor humidity or a misjudged purge can result in off-spec material. We know how a single batch with excess moisture can trigger caking in your hoppers or erode storage stability. That’s why our process covers precise temperature regulation and real-time moisture testing, along with redundancy in the dehumidification system.
The end result rests not just in chemical purity—often above 98% purity by assay—but in the promise that the product behaves consistently for blending and downstream use. We have seen customers in food and feed sectors favour our MSP Anhydrous due to its non-hygroscopic nature, making storage and transport more straightforward without the need for elaborate climate controls.
The focus usually stays fixed on results that users notice in the plant or lab, not on numbers for their own sake. The anhydrous form weighs in heavier per volume compared to the common dihydrate (which carries water of crystallization), packing more sodium phosphate into each kilogram of product delivered. This difference means manufacturers can scale down loading for a given sodium phosphate requirement, reducing shipping, storage, and handling overhead.
Test-driven specifications, such as iron limits below 20 ppm, and low soluble heavy metals contribute to meeting food and pharmaceutical industry requirements. While our competitors often point to specifications listed on a data sheet, we track each lot to ensure actual results align with what our technical team would accept for our own internal use.
Customers in detergents and cleaning chemicals choose the anhydrous version when hydrolysis by water needs controlling during blending. In dishwasher detergents, a small water imbalance can tilt the product from free-flowing to lumpy, especially after bulk transit or warehouse storage in humid summers. Our line operators hear from downstream users whenever an unexpected caking problem arises, anchoring our resolve to keep outgoing product reliably dry and smooth.
Water treatment facilities rely on Monosodium Phosphate Anhydrous to buffer water pH and stabilize softener blends. Operators of automated dosing pumps ask for the anhydrous grade because clumping interferes with smooth slurry addition—a lesson learned on too many long weekend callouts. The narrow particle size and lack of hydration translate to fewer clogs, improving uptime. Chemical engineers in corrosion control or boiler feed lines report fewer feed interruptions when our material is part of the formulation mix.
In pool maintenance, MSP Anhydrous can help with pH adjustment and buffering by delivering predictable results with low dust and steady solubility—not just by-the-book compliance, but in the way the material pours, disperses, and dissolves during day-to-day use. We never lose sight of the fact that each bag, drum, or bulk delivery means hours off a plant operator’s time, shape of downstream pipelines, or public-facing water quality scores.
Food manufacturers encounter unpredictable issues with ingredient hydration. The anhydrous grade of Monosodium Phosphate holds tight on its water of crystallization, meaning bakeries and dry food blenders can hit target moisture and dough properties with fewer surprises. We routinely ship to producers of leavening agents—baking powders rely on our anhydrous material to hit specific acid release curves—while processed cheese and instant soup formulators count on the ingredient’s rapid dissolution and shelf stability.
With regulatory requirements tightening year after year, we audit our lines for contaminants and run periodic re-certifications to maintain our position as a trusted direct supplier. The Food Chemicals Codex and European standards remain a baseline; customer-specific audits drive us to push even further, adopting cleanroom packing areas and batch traceability. We only label a shipment as food grade if it matches real-world audit expectations, not just theoretical purity or per-lot paperwork.
Pharmaceutical production raises the stakes. Each tablet run ramps up scrutiny on trace metals, insoluble matter, and loss on drying—none of these gauge well if we cut corners or skip preventative checks. Over the years, customers in buffer manufacture or nutrient solutions have flagged even minor oxidation shifts in Monosodium Phosphate, so production always leans on airtight handling from crystallization through final packing.
Labs evaluating our MSP Anhydrous draw on internal reference standards. We openly invite third-party assays against certificates, and we warehouse retention samples over years to back up every claim. Repeat shipments over time form the real test: does your formulation behave the same month over month, or does each shipment need a plant trial? We find that process stability and consistent moisture content create more loyal users than a litany of one-off purity numbers.
Anhydrous and dihydrate grades of Monosodium Phosphate share a common core formula, but their performance never feels interchangeable on the floor. Customers running continuous blending lines have taught us that dihydrate grades leave more dust in the air and speed up caking, especially after shifts in humidity. That extra water in the crystalline structure, small as it sounds, invites variability in both bulk density and solubility, disrupting dosing in precision-driven environments.
Our anhydrous product’s stability during storage means lower frequency of inventory checks and lower pressure on expiry turnaround. In international shipping, MSP Anhydrous rides out season changes and warehouse controls that might spoil a dihydrate lot, reducing write-offs and wasted labor. Over decades, this stability translates into tighter cost control for users.
Phosphate suppliers face growing scrutiny over sustainability and environmental protection. Wastewater authorities audit every load of spent wash and dust capture. We operate in-house effluent treatment and run dry dust containment with checks every shift. Years of navigating both national and international compliance—REACH, TSCA, and sector-specific rules—drive our commitment to exceed legal minimums. These measures represent more than paperwork; they preserve reliability in your process by limiting contamination risk.
We also invest in closed-cycle water recovery and emission controls, aiming to minimize the environmental burden of phosphate production. Test results from our third-party monitors are available to customers, showing a transparency that partners in food or pharmaceutical industries increasingly require, especially as regulatory audits expand their reach.
Shipping and storing Monosodium Phosphate Anhydrous requires consistent handling policies. Granule size matters less if the product arrives already lumped from humidity exposure. We upgraded our packing process to heat-sealed multiwall kraft bags with unique batch tracking, stored inside humidity-controlled warehouses until truckload pickup. Bulk orders travel by liner-equipped containers or tank trucks, depending on customer requirements.
Customers facing last-mile storage in tough climates—hot coastal regions or monsoon belts—rely on our sealed packaging and just-in-time delivery model. We share firsthand our maintenance guides: rotate stock, avoid stacking beyond two pallets, and open bags only as needed. Our technical team stands ready for troubleshooting, applying years of plant visits to practical storage and handling guidance, not just phone support or form responses.
Every phone call or email from a frustrated plant operator represents an opportunity. We track quality incidents—not to check boxes, but to keep root cause records and document real fixes. Field engineers who solve foaming, unexpected scale, or caking issues bring those insights back to the next production meeting. Our formulation team revisited drying curves and crystal fractionation following reports of 'sudden lumping' in high-storage sites, and a simple airflow change on the line dropped complaint rates by half in a single quarter.
That waste team at a water treatment plant who needed better sludge settling shared granular feedback after testing several batches of our anhydrous product. We fine-tuned sieve fractions to ensure better solubility and clarity—a change now standard across all batches. Working this closely with users in fertilizer, food, detergent, and pool industries gives us a constant stream of practical insights that drive training, investment, and equipment upgrades.
Handling phosphates safely and efficiently does not hinge on technical documents alone. Facility visits reveal common pain points across industries: sticky residues, airborne dust, product settling in silos, or color variance after storage. Our role as a producer places us right at the source of these issues, demanding we anticipate and address them before material leaves the plant.
We continue refining our sieve mesh standards and automate packing—steps that keep dust exposure down and improve worker safety. We experiment with anti-caking additives only in facilities that demand them, since excess additives may cause their own issues in regulated industries. That process—tailoring small process steps to actual plant observations—stands behind every bag and bulk tote we deliver.
Customers shift to Monosodium Phosphate Anhydrous for concrete, operational reasons. Less water in the structure means less chance for product alteration, a real concern in climates with steep seasonal swings. Our direct production means orders can respond flexibly to regulatory changes or urgent inventory needs. Long-term users point out the difference not just in paperwork, but in time saved through reduced cleaning, fewer dosing pauses, and tighter control over batch-to-batch consistency.
Where other forms of phosphate bring uncertainty in weight or solubility, the anhydrous grade stays constant. Food and beverage processors cite fewer downtimes and improved batch reproducibility; chemical formulators highlight less dust and better integration into automated systems. In the rare occasions that deviations occur, our plant team owns the fix, not a distant distributor—a difference that has kept our retention high over years.
MSP Anhydrous users work in fields where trace contamination, downtime, and imprecision cost dearly. Our production, packaging, and quality review cycles have grown increasingly rigorous out of real need. We invite open audits and third-party verification because we build our reputation batch by batch, not through stock claims or generic promises.
Our ties to end users, technical staff, and field engineers remain direct—problems rarely go unsolved for long. We back up each delivery with documentation tracked from production through handoff. These steps have earned us invitations to support everything from high-throughput pharmaceutical lines to artisanal food production. Direct knowledge transfer, equipment investment, and honest troubleshooting anchor everything we offer in Monosodium Phosphate Anhydrous.
For industries under constant pressure to reduce variation and streamline operations, only materials with consistent, validated performance have staying power. The value in MSP Anhydrous comes from this hard-earned reliability: from chemical purity, yes, but also physical stability, logistical savings, and the ability to adapt to evolving standards. Our ongoing dialogue with users keeps us alert to small changes that may ripple into big downstream savings for end-users.
Monosodium Phosphate Anhydrous does much more than meet baseline expectations for phosphate suppliers. Year after year, the chemical’s flexibility, stable behavior, and direct manufacturer support gives industry leaders a solution with fewer headaches and better outcomes—results that no paper specification can capture, but that our regular customers have come to expect without fail.